21861485

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{229}}^1\times {\mathrm{313}}^1$

素因数の和:608

約数の個数: 16

約数和(自身を含む): 26865840

約数和(自身を除く): 5004355

約数列:

[1, 5, 61, 229, 305, 313, 1145, 1565, 13969, 19093, 69845, 71677, 95465, 358385, 4372297, 21861485]

約数ペア:

[(1, 21861485), (5, 4372297), (61, 358385), (229, 95465), (305, 71677), (313, 69845), (1145, 19093), (1565, 13969)]